A typographical error made while using thumbs only to text mesage. Similar to a typo, or typographical error.
by The Pig Farmer's Grandson October 03, 2009

by upriverman March 02, 2004

I was tired, typing so fast on that slick mobile gadget that the text was probably so full of thumbo's as to become completely inelligible.
by Rapnie March 29, 2019
